* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body,
html {
    cursor: pointer;
}

/* 代码写下面 */
.lzl,
.lb,
.xqh,
.xjw,
.ll {


    text-align: center;
    line-height: 50px;
    font-size: 30px;
    background-color: greenyellow;
}

.lb {
    background-color: skyblue;
}

.xqh {

    background-color: pink;

}